CN116429773A - Safety monitoring device of steel truss reinforcing structure - Google Patents
Safety monitoring device of steel truss reinforcing structure Download PDFInfo
- Publication number
- CN116429773A CN116429773A CN202310671113.3A CN202310671113A CN116429773A CN 116429773 A CN116429773 A CN 116429773A CN 202310671113 A CN202310671113 A CN 202310671113A CN 116429773 A CN116429773 A CN 116429773A
- Authority
- CN
- China
- Prior art keywords
- seat
- extrusion
- detection mechanism
- welding
- steel truss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 170
- 239000010959 steel Substances 0.000 title claims abstract description 170
- 238000012806 monitoring device Methods 0.000 title claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 74
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000005452 bending Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 26
- 238000003466 welding Methods 0.000 claims description 128
- 238000001125 extrusion Methods 0.000 claims description 93
- 238000007789 sealing Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 17
- 238000009423 ventilation Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Laser Beam Processing (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of steel trusses, in particular to a safety monitoring device of a steel truss reinforcing structure, which comprises a bending detection mechanism, wherein a pressure detection mechanism A is arranged on the bending detection mechanism, and a pressure detection mechanism B is arranged on the bending detection mechanism; the bending detection mechanism comprises an installation clamping seat A and an installation clamping seat B, wherein an electric sliding rail is arranged on the installation clamping seat A, and the safety monitoring device of the steel truss reinforcing structure is provided.
Description
Technical Field
The invention relates to the technical field of steel trusses, in particular to a safety monitoring device of a steel truss reinforcing structure.
Background
The steel structure building is used as an emerging building mode, and has the advantages of stable structure, short construction period and the like, so that the steel structure building is widely applied to the building construction industry, particularly, a building mode of a steel structure is basically adopted for industrial plants with large area requirements, the roof of the steel structure building is mostly an inclined roof, the roof steel structure of the building is built by adopting a mode of inclined butt joint of double-layer channel steel, a steel truss is welded between the two layers of channel steel to strengthen the steel truss, the steel truss is generally stuck to the outer side surface of the channel steel in a manual placement mode when being placed and installed in the prior art, and then the steel truss is manually supported and locked in a welding mode;
however, in the process of manually supporting and welding the steel truss, the steel truss is stuck to the outer side face of the channel steel in a manual placement mode, then the steel truss is supported and locked in a welding mode, when welding, the manual support may swing, and once the swing error is large, the welding angle or position is not in a preset angle or position, so that the welding quality is unqualified, and potential safety hazards may exist in the process of using the steel truss with unqualified welding quality.
Disclosure of Invention
The invention aims to provide a safety monitoring device for a steel truss reinforcing structure, which can judge the damaged position of a welding steel frame and the distance between the damaged position of the welding steel frame and the welded position according to the position of the light-transmitting plate on the welding steel frame when laser irradiates the light-transmitting plate, is convenient for workers to record, check and maintain, and therefore screens out steel trusses with unqualified welding quality, further improves the working quality of the steel trusses, and avoids potential safety hazards possibly existing in the using process of the unqualified welding quality of the steel trusses.
In order to achieve the above purpose, the present invention provides the following technical solutions: the safety monitoring device of the steel truss reinforcing structure comprises a bending detection mechanism, wherein a pressure detection mechanism A is arranged on the bending detection mechanism, and a pressure detection mechanism B is arranged on the bending detection mechanism; the bending detection mechanism comprises an installation clamping seat A and an installation clamping seat B, wherein an electric sliding rail is arranged on the installation clamping seat A, an electric sliding seat is arranged on the electric sliding rail, a light-transmitting plate is arranged on the electric sliding seat, and a laser range finder is arranged on the installation clamping seat A; the pressure detection mechanism A comprises a fixed box arranged on the electric sliding seat, a piston rod and a vent pipe are arranged on the fixed box, an extrusion block is arranged at one end of the vent pipe, and the extrusion block is movably connected with the light-transmitting plate; the pressure detection mechanism B comprises a positioning seat arranged on the electric sliding rail, a gear plate is arranged on the positioning seat, the pressure detection mechanism B further comprises a moving box on the electric sliding seat, a rotating shaft is arranged on the moving box, an extrusion wheel is arranged on the rotating shaft, a reciprocating screw rod is arranged on one side of the rotating shaft, and one end of the reciprocating screw rod is connected with the gear plate; the light-transmitting plate slides along the welding steel frame on the steel truss through the welding positions of the installation clamping seat A and the installation clamping seat B, and laser emitted by the laser range finder passes through the light-transmitting plate and irradiates on the installation clamping seat B in the process; detecting the welding angle and the position by passing laser through the light-transmitting plate and irradiating the light-transmitting plate on the mounting clamp seat B, extruding one end of the piston rod with the steel truss in the sliding process of the light-transmitting plate, enabling the piston rod to slide into the fixed box, enabling the air-transmitting pipe to extrude the extrusion block to move, and enabling the extrusion block to extrude a welding steel frame on the steel truss to carry out extrusion detection of different pressures; in addition, in the sliding process of the light-transmitting plate, the gear tooth plate drives the rotating shaft to move, the rotating shaft drives the extrusion wheel to extrude and weld the steel frame, and the steel frame is subjected to constant pressure detection which is different from the pressure detection mechanism A and can be set.
Optionally, pointer A is all installed on installation holder A and the installation holder B, all install pointer A on installation holder A and the installation holder B.
Optionally, a sliding rod is arranged on the electric sliding seat, and the light-transmitting plate is arranged on the sliding rod.
Optionally, fixed case fixed mounting is on electronic slide, the one end of installation cassette B slides in the inside of fixed case, the extrusion seat is installed to the other end of piston rod, extrusion wheel is installed to the extrusion seat.
Optionally, the pressure detection mechanism a further comprises a sliding seat slidably mounted on the light-transmitting plate, the extrusion block is fixedly mounted on the sliding seat, a sealing sheet is slidably mounted on the sliding seat, the sealing sheet is movably connected with the air-transmitting pipe, and one end of the air-transmitting pipe is connected with the sliding seat.
Optionally, the ventilation pipe is connected with the fixed box in a penetrating way, the pressure detection mechanism B further comprises an extrusion plate arranged on the electric sliding rail, and the extrusion plate is movably connected with the sealing piece.
Optionally, the movable box is installed on electric slide, just offer the spout that is used for squeezing wheel and rotation axis to slide on the electric slide.
Optionally, a movable shaft is installed at one end of the rotating shaft, the extrusion wheel rotates on the movable shaft, a telescopic spring is installed on the rotating shaft, and one end of the telescopic spring is in extrusion connection with the movable shaft.
Optionally, slidable mounting has the extrusion piece on the rotation axis, one side and the telescopic spring fixed connection of extrusion piece, reciprocating screw's outside cover is equipped with the bearing frame, the bearing frame passes through ball nut pair with reciprocating screw and is connected, just the bearing frame is connected with the extrusion piece.
Optionally, the gear is installed to the one end of reciprocating screw, the gear meshes with the teeth of a cogwheel on the tooth board, just slidable mounting has the drive board on the tooth board, positioning seat and tooth board through connection, install the inserted bar on the drive board, inserted bar and reciprocating screw peg graft.
Compared with the prior art, the invention has the beneficial effects that:
1. the electric sliding seat slides along the electric sliding rail, when the electric sliding seat slides, the electric sliding seat drives the light-transmitting plate to slide through the sliding rod, the light-transmitting plate is arranged on the welding steel frame, when the light-transmitting plate slides, the light-transmitting plate always moves along the surface of the welding steel frame, meanwhile, laser emitted by the laser range finder irradiates the mounting clamping seat B through holes on the light-transmitting plate, when the welding steel frame is damaged to cause bending or concave fracture, displacement occurs when the light-transmitting plate passes, after the light-transmitting plate displaces, the laser emitted by the laser range finder cannot penetrate the light-transmitting plate to refract to the mounting clamping seat B, so that whether the welding steel frame is good in quality can be detected, and meanwhile, the damaged position of the welding steel frame can be judged according to the position of the light-transmitting plate on the welding steel frame when the laser irradiates the light-transmitting plate, and the staff can record and check conveniently; in addition, the length of the welding steel frame can be measured through the ranging function of the laser range finder, on the one hand, the distance between the damaged part of the welding steel frame and the welding part can be measured, the recording and the maintenance of staff are further facilitated, and further, the steel truss with unqualified welding quality is screened out, so that the working quality of the steel truss is improved, and potential safety hazards possibly existing in the using process due to unqualified welding quality of the steel truss are avoided;
2. when the light-transmitting plate moves to the installation clamp seat B, the extruding plate on the electric sliding rail is extruded with the sealing piece, the sealing piece is extruded into the sliding seat, the sealing piece is sealed with the gas-transmitting pipe after the sealing piece is extruded into the sliding seat, when the electric sliding seat drives the light-transmitting plate to move reversely, the extruding seat on one end of the piston rod is extruded with the steel truss and enables the piston rod to extrude and slide into the fixed box, the gas-transmitting pipe is sealed, at the moment, the inside of the fixed box is also sealed, one end of the piston rod continuously extrudes gas in the fixed box to pressurize the fixed box, the gas-transmitting pipe is sealed with the sliding seat through the sealing piece, the gas pressure in the fixed box is extruded by the gas-transmitting pipe, the sliding seat moves to drive the gas-transmitting pipe and the extruding block to move, and the extruding block is extruded by contacting with the welding steel frame, thereby the pressure of the extruding seat slides on the steel truss through the extruding wheel, and the welding steel frame is vertically connected with the two steel trusses, as shown in fig. 1, the piston rod is extruded and moved in the inside of the fixed box, and the welding steel frame is further reciprocated by the extruding block, the welding pressure of the welding frame is continuously changed, thereby realizing the pressure detection of different welding pressures; the steel truss forms two quality tests when in use, and the use quality of the steel truss is improved;
3. the drive plate drives the gear tooth plate to move, so that the gear teeth on the gear tooth plate are in a non-meshing relationship with the gears, the gear tooth plate cannot drive the reciprocating screw rod to rotate, and the inserted bar on the drive plate is inserted into the reciprocating screw rod to keep the reciprocating screw rod stable, so that the pressure of the extrusion wheel for extruding the welding steel frame is unchanged, the pressure of the extrusion welding steel frame can be controlled, the welding steel frame is detected through constant pressure, and the pressure of the pressure detection mechanism A is matched with the pressure of the change of the pressure detection mechanism A and the pressure of the welding steel frame on different sides of the welding steel frame is applied, so that the flexibility of pressure detection can be improved.
Drawings
FIG. 1 is a schematic diagram of the whole structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a partial cross-sectional view of one of the present inventions;
FIG. 4 is a partial cross-sectional view of the second embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of the third embodiment of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5 in accordance with the present invention;
FIG. 7 is a cross-sectional view of a mobile case of the present invention;
fig. 8 is a schematic diagram of the overall structure of the present invention.
In the figure: 1. a steel truss; 2. a bending detection mechanism; 21. mounting a clamping seat A; 22. an electric slide rail; 23. mounting a clamping seat B; 24. a light-transmitting plate; 25. an electric slide; 26. a laser range finder; 27. a pointer A; 28. a slide bar; 3. a pressure detection mechanism A; 31. a fixed box; 32. a piston rod; 33. extruding a base; 34. a pressing wheel; 35. an extrusion plate; 36. extruding a block; 37. a sliding seat; 38. a sealing sheet; 39. a ventilation pipe; 4. a pressure detection mechanism B; 41. a toothed plate; 42. a moving case; 43. a pressing wheel; 44. a rotation shaft; 45. a reciprocating screw rod; 46. a bearing seat; 47. extruding the sheet; 48. a telescopic spring; 49. a positioning seat; 410. a driving plate; 411. a movable shaft; 5. and an exhaust pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 8, the present invention provides a safety monitoring device for a steel truss reinforcement structure, which includes a bending detection mechanism 2, wherein a pressure detection mechanism A3 is disposed on the bending detection mechanism 2, and a pressure detection mechanism B4 is disposed on the bending detection mechanism 2;
the bending detection mechanism 2 comprises a mounting clamp seat A21 and a mounting clamp seat B23, wherein an electric sliding rail 22 is arranged on the mounting clamp seat A21, an electric sliding seat 25 is arranged on the electric sliding rail 22, a light-transmitting plate 24 is arranged on the electric sliding seat 25, and a laser range finder 26 is arranged on the mounting clamp seat A21; the welding positions of two ends of a welding steel frame on the steel truss 1 are respectively and fixedly arranged on the mounting clamping seat A21 and the mounting clamping seat B23, then the pointer A27 on the mounting clamping seat A21 and the pointer A27 on the mounting clamping seat B23 are respectively rotated, so that the pointer A27 on the mounting clamping seat A21 is parallel to one steel frame of the steel truss 1, the pointer A27 on the mounting clamping seat B23 is parallel to the other steel frame of the steel truss 1, a certain included angle is formed between the pointer A27 and the welding steel frame and between the pointer A on the mounting clamping seat A21 and the pointer A on the mounting clamping seat B23, and as shown in figure 1, the welding angle between the welding steel frame and the steel frame on the steel truss 1 can be intuitively observed through the included angle;
then, starting a laser range finder 26, electrifying the electric sliding rail 22 and the electric sliding seat 25, enabling the electric sliding seat 25 to slide along the electric sliding rail 22, and enabling the electric sliding seat 25 to drive the light-transmitting plate 24 to slide through the sliding rod 28 when the electric sliding seat 25 slides, wherein the light-transmitting plate 24 is arranged on a welding steel frame, when the light-transmitting plate 24 slides, the light-transmitting plate 24 always moves along the surface of the welding steel frame, meanwhile, laser emitted by the laser range finder 26 irradiates holes on the mounting clamp seat B23 through the light-transmitting plate 24, displacement occurs when the welding steel frame is damaged to cause bending or concave fracture, and after the light-transmitting plate 24 displaces, laser emitted by the laser range finder 26 cannot penetrate through the light-transmitting plate 24 to be refracted on the mounting clamp seat B23, so that whether the welding steel frame is good in quality can be detected, and meanwhile, according to the position of the light-transmitting plate 24 on the welding steel frame when the laser irradiates on the light-transmitting plate 24, the damaged position of the welding steel frame can be judged, and a worker can record and check conveniently; in addition, the distance measuring function of the laser distance measuring instrument 26 can be used for measuring and calculating the length of the welding steel frame on the one hand and measuring the distance between the damaged part and the welding part of the welding steel frame on the other hand, so that the record and maintenance of workers are further facilitated; in addition, the bending detection is carried out by the laser range finder 26, so that the detection quality of the welded steel frame can be improved by utilizing the characteristics of laser rays;
the pressure detection mechanism A3 comprises a fixed box 31 arranged on the electric slide seat 25, a piston rod 32 and a vent pipe 39 are arranged on the fixed box 31, an extrusion block 36 is arranged at one end of the vent pipe 39, and the extrusion block 36 is movably connected with the light-transmitting plate 24; when the light-transmitting plate 24 moves to the mounting clamp seat B23, the extrusion plate 35 on the electric sliding rail 22 is extruded with the sealing piece 38, the sealing piece 38 is extruded into the sliding seat 37, the sealing piece 38 is sealed with the ventilation pipe 39 after the sealing piece 38 is extruded into the sliding seat 37, when the electric sliding seat 25 drives the light-transmitting plate 24 to move reversely, the extrusion seat 33 on one end of the piston rod 32 is extruded with the steel truss 1 and enables the piston rod 32 to slide into the inside of the fixed box 31, the ventilation pipe 39 is sealed, at the moment, one end of the piston rod 32 is continuously extruded with gas in the fixed box 31 to pressurize the fixed box 31 in the process of sliding in the fixed box 31, one end of the ventilation pipe 39 is sealed with the sliding seat 37 through the sealing piece 38, the air pressure in the fixed box 31 is extruded with the sliding seat 37 through the ventilation pipe 39, the sliding seat 37 is moved to drive the ventilation pipe 39 and the extrusion block 36 to move, the extrusion block 36 is in contact with welding, thus the welding steel truss is detected, the extrusion seat 33 slides on the steel 1 through the extrusion wheel 34, and the two welding trusses are connected with each other through the extrusion block 1, and the welding truss is not changed in the welding truss is further, and the reciprocating pressure is not detected in the welding truss is detected, and the inside the steel truss is not welded by the welding truss is not in the welding truss, the welding truss is in the connection with the welding truss, the compression frame is in the vertical compression, the compression frame is not is detected, and the inside the compression frame is not in the welding truss is in the compression; the welding quality of the steel truss 1 is improved; in addition, the moving speed of the electric sliding seat 25 on the electric sliding rail 22 can be controlled, so that the extrusion block 36 is controlled to slowly pressurize or rapidly punch the welding steel frame; the flexibility of pressure detection is improved; once the welding steel frame is bent during pressure detection, the extrusion block 36 drives the light-transmitting plate 24 to move through the sliding seat 37, and laser cannot penetrate through the light-transmitting plate 24 to irradiate the mounting clamp seat B23, so that the bending position of the welding steel frame can be rapidly found while the pressure of the welding steel frame is detected by matching with the bending detection mechanism 2; the staff can record conveniently;
in addition, through the two extrusion wheels 34 arranged on the extrusion seat 33, in the sliding process of the steel truss 1, the extrusion seat 33 moves to the corner on the steel truss 1, and the steel truss 1 can be extruded with the extrusion seat 33 all the time by switching the extrusion wheels 34, so that the situation that the extrusion seat 33 moves to the corner on the steel truss 1 to be blocked and the piston rod 32 cannot be driven by the extrusion seat 33 to move can be avoided;
the pressure detection mechanism B4 comprises a positioning seat 49 arranged on the electric slide rail 22, a gear tooth plate 41 is arranged on the positioning seat 49, the pressure detection mechanism B4 also comprises a movable box 42 arranged on the electric slide seat 25, a rotary shaft 44 is arranged on the movable box 42, a squeezing wheel 43 is arranged on the rotary shaft 44, a reciprocating screw rod 45 is arranged on one side of the rotary shaft 44, and one end of the reciprocating screw rod 45 is connected with the gear tooth plate 41; in addition, when the electric sliding seat 25 moves on the electric sliding rail 22, the electric sliding seat 25 drives the moving box 42 to move, the moving box 42 drives the reciprocating screw 45 to move, and as a gear at one end of the reciprocating screw 45 is meshed with gear teeth on the gear tooth plate 41, the reciprocating screw 45 rotates while moving, and as a bearing seat 46 is sleeved outside the reciprocating screw 45 and connected with the rotating shaft 44 through a ball nut pair, when the reciprocating screw 45 rotates, the bearing seat 46 moves along the reciprocating screw 45 while the bearing seat 46 drives the extrusion piece 47 to move, the extrusion piece 47 moves to extrude the telescopic spring 48, the telescopic spring 48 extrudes the moving shaft 411, and the moving shaft 411 moves while driving the extrusion wheel 43 to move, the extrusion wheel 43 extrudes one side of the welding steel frame, and as the extrusion wheel 43 extrudes the other side of the welding steel frame, the pressure detection can be carried out on different sides of the welding steel frame; the accuracy and the quality of pressure detection are improved;
in addition, the driving plate 410 can be pressed, the driving plate 410 drives the gear tooth plate 41 to move, so that the gear teeth on the gear tooth plate 41 are in a non-meshing relationship with the gear, the gear tooth plate 41 cannot drive the reciprocating screw rod 45 to rotate, and at the moment, the inserted rod on the driving plate 410 is inserted into the reciprocating screw rod 45 to keep the reciprocating screw rod 45 stable, so that the pressure of the extrusion wheel 43 for extruding the welding steel frame is unchanged, the pressure of the extrusion welding steel frame can be controlled, the welding steel frame is detected through constant pressure, and the pressure detection mechanism A3 is matched with the pressure which is changed and the pressure is applied to different sides of the welding steel frame, so that the flexibility of pressure detection can be improved; the quality of the steel truss 1 is further improved, and potential safety hazards possibly existing in the using process due to unqualified welding quality of the steel truss 1 are avoided;
in addition, as shown in fig. 8, the mounting structures are arranged on both sides of the mounting clamping seat a21 and the mounting clamping seat B23, so that the steel truss 1 with a double-layer structure can be detected;
in addition, as shown in fig. 8, when the electric slide 25 moves on the electric slide rail 22 near the mounting clamp seat B23 and slides into the fixed box 31 during the quality detection of the welding steel frame by the bending detection mechanism 2, the piston rod 32 pushes the steel truss 1 to move, so that the air in the fixed box 31 is moved, the air is discharged through the ventilation pipe 39, and the discharged air is discharged through the exhaust pipe 5, so that impurities on the welding steel frame can be cleaned, and the influence of the impurities on the light-transmitting plate 24 on the welding steel frame is avoided, thereby influencing the detection result;
the light-transmitting plate 24 slides along the welding steel frame on the steel truss 1 through the welding positions of the mounting clamp seat A21 and the mounting clamp seat B23, and in the process, laser emitted by the laser range finder 26 passes through the light-transmitting plate 24 and irradiates on the mounting clamp seat B23; whether laser can penetrate through the light-transmitting plate 24 and irradiate the mounting clamp seat B23 to detect the welding angle and the position, and in the sliding process of the light-transmitting plate 24, one end of the piston rod 32 is extruded with the steel truss 1 and the piston rod 32 slides into the fixed box 31, so that the air permeability pipe 39 extrudes the extrusion block 36 to move, and the extrusion block 36 extrudes the welding steel frame on the steel truss 1 to carry out extrusion detection of different pressures; in addition, in the sliding process of the transparent plate 24, the gear tooth plate 41 drives the rotating shaft 44 to move, and the rotating shaft 44 drives the extrusion wheel 43 to extrude the welding steel frame, so that the constant pressure detection which is different from the pressure detection mechanism A3 and can be set is performed.
Further, the pointer a27 is mounted on the mounting holder a21 and the mounting holder B23, the pointer a is mounted on the mounting holder a21 and the mounting holder B23, the slide bar 28 is disposed on the electric slide 25, and the light-transmitting plate 24 is mounted on the slide bar 28.
Further, the fixed box 31 is fixedly installed on the electric slide seat 25, one end of the installation clamp seat B23 slides in the fixed box 31, the other end of the piston rod 32 is provided with the extrusion seat 33, the extrusion seat 33 is provided with the extrusion wheel 34, the pressure detection mechanism A3 further comprises a sliding seat 37 which is slidably installed on the light-transmitting plate 24, the extrusion block 36 is fixedly installed on the sliding seat 37, the sliding seat 37 is slidably provided with a sealing piece 38, the sealing piece 38 is movably connected with the ventilation pipe 39, one end of the ventilation pipe 39 is connected with the sliding seat 37, the ventilation pipe 39 is in penetrating connection with the fixed box 31, the pressure detection mechanism B4 further comprises an extrusion plate 35 which is installed on the electric slide rail 22, the extrusion plate 35 is movably connected with the sealing piece 38, the moving box 42 is installed on the electric slide seat 25, the electric slide seat 25 is provided with a sliding groove for the extrusion wheel 43 and the rotating shaft 44 to slide, the movable shaft 411 is installed at one end of the rotary shaft 44, the extrusion wheel 43 rotates on the movable shaft 411, the telescopic spring 48 is installed on the rotary shaft 44, one end of the telescopic spring 48 is connected with the movable shaft 411 in an extrusion mode, the extrusion piece 47 is installed on the rotary shaft 44 in a sliding mode, one side of the extrusion piece 47 is fixedly connected with the telescopic spring 48, a bearing seat 46 is sleeved on the outer side of the reciprocating screw 45, the bearing seat 46 is connected with the reciprocating screw 45 through a ball nut pair, the bearing seat 46 is connected with the extrusion piece 47, a gear is installed at one end of the reciprocating screw 45, the gear is meshed with gear teeth on the gear tooth plate 41, the driving plate 410 is installed on the gear tooth plate 41 in a sliding mode, the positioning seat 49 is connected with the gear tooth plate 41 in a penetrating mode, the inserting rod is installed on the driving plate 410, and the inserting rod is inserted with the reciprocating screw 45.
Working principle: the welding positions of two ends of a welding steel frame on the steel truss 1 are respectively and fixedly arranged on the mounting clamping seat A21 and the mounting clamping seat B23, then the pointer A27 on the mounting clamping seat A21 and the pointer A27 on the mounting clamping seat B23 are respectively rotated, so that the pointer A27 on the mounting clamping seat A21 is parallel to one steel frame of the steel truss 1, the pointer A27 on the mounting clamping seat B23 is parallel to the other steel frame of the steel truss 1, a certain included angle is formed between the pointer A27 and the welding steel frame and between the pointer A on the mounting clamping seat A21 and the pointer A on the mounting clamping seat B23, and as shown in figure 1, the welding angle between the welding steel frame and the steel frame on the steel truss 1 can be intuitively observed through the included angle;
then, starting a laser range finder 26, electrifying the electric sliding rail 22 and the electric sliding seat 25, enabling the electric sliding seat 25 to slide along the electric sliding rail 22, and enabling the electric sliding seat 25 to drive the light-transmitting plate 24 to slide through the sliding rod 28 when the electric sliding seat 25 slides, wherein the light-transmitting plate 24 is arranged on a welding steel frame, when the light-transmitting plate 24 slides, the light-transmitting plate 24 always moves along the surface of the welding steel frame, meanwhile, laser emitted by the laser range finder 26 irradiates holes on the mounting clamp seat B23 through the light-transmitting plate 24, displacement occurs when the welding steel frame is damaged to cause bending or concave fracture, and after the light-transmitting plate 24 displaces, laser emitted by the laser range finder 26 cannot penetrate through the light-transmitting plate 24 to be refracted on the mounting clamp seat B23, so that whether the welding steel frame is good in quality can be detected, and meanwhile, according to the position of the light-transmitting plate 24 on the welding steel frame when the laser irradiates on the light-transmitting plate 24, the damaged position of the welding steel frame can be judged, and a worker can record and check conveniently; in addition, the distance measuring function of the laser distance measuring instrument 26 can be used for measuring and calculating the length of the welding steel frame on the one hand and measuring the distance between the damaged part and the welding part of the welding steel frame on the other hand, so that the record and maintenance of workers are further facilitated;
when the light-transmitting plate 24 moves to the mounting clamp seat B23, the extrusion plate 35 on the electric sliding rail 22 is extruded with the sealing piece 38, the sealing piece 38 is extruded into the sliding seat 37, the sealing piece 38 is sealed with the ventilation pipe 39 after the sealing piece 38 is extruded into the sliding seat 37, when the electric sliding seat 25 drives the light-transmitting plate 24 to move reversely, the extrusion seat 33 on one end of the piston rod 32 is extruded with the steel truss 1 and enables the piston rod 32 to slide into the inside of the fixed box 31, the ventilation pipe 39 is sealed, at the moment, one end of the piston rod 32 is continuously extruded with gas in the fixed box 31 to pressurize the fixed box 31 in the process of sliding in the fixed box 31, one end of the ventilation pipe 39 is sealed with the sliding seat 37 through the sealing piece 38, the air pressure in the fixed box 31 is extruded with the sliding seat 37 through the ventilation pipe 39, the sliding seat 37 is moved to drive the ventilation pipe 39 and the extrusion block 36 to move, the extrusion block 36 is in contact with welding, thus the welding steel truss is detected, the extrusion seat 33 slides on the steel 1 through the extrusion wheel 34, and the two welding trusses are connected with each other through the extrusion block 1, and the welding truss is not changed in the welding truss is further, and the reciprocating pressure is not detected in the welding truss is detected, and the inside the steel truss is not welded by the welding truss is not in the welding truss, the welding truss is in the connection with the welding truss, the compression frame is in the vertical compression, the compression frame is not is detected, and the inside the compression frame is not in the welding truss is in the compression; the welding quality of the steel truss 1 is improved; in addition, the moving speed of the electric sliding seat 25 on the electric sliding rail 22 can be controlled, so that the extrusion block 36 is controlled to slowly pressurize or rapidly punch the welding steel frame; the flexibility of pressure detection is improved; once the welding steel frame is bent during pressure detection, the extrusion block 36 drives the light-transmitting plate 24 to move through the sliding seat 37, and laser cannot penetrate through the light-transmitting plate 24 to irradiate the mounting clamp seat B23, so that the bending position of the welding steel frame can be rapidly found while the pressure of the welding steel frame is detected by matching with the bending detection mechanism 2; the staff can record conveniently;
in addition, when the electric sliding seat 25 moves on the electric sliding rail 22, the electric sliding seat 25 drives the moving box 42 to move, the moving box 42 drives the reciprocating screw 45 to move, and as a gear at one end of the reciprocating screw 45 is meshed with gear teeth on the gear tooth plate 41, the reciprocating screw 45 rotates while moving, and as a bearing seat 46 is sleeved outside the reciprocating screw 45 and connected with the rotating shaft 44 through a ball nut pair, when the reciprocating screw 45 rotates, the bearing seat 46 moves along the reciprocating screw 45 while the bearing seat 46 drives the extrusion piece 47 to move, the extrusion piece 47 moves to extrude the telescopic spring 48, the telescopic spring 48 extrudes the moving shaft 411, and the moving shaft 411 moves while driving the extrusion wheel 43 to move, the extrusion wheel 43 extrudes one side of the welding steel frame, and as the extrusion wheel 43 extrudes the other side of the welding steel frame, the pressure detection can be carried out on different sides of the welding steel frame; the accuracy and the quality of pressure detection are improved;
in addition, the driving plate 410 can be pressed, the driving plate 410 drives the gear tooth plate 41 to move, so that the gear teeth on the gear tooth plate 41 are in a non-meshing relationship with the gear, the gear tooth plate 41 cannot drive the reciprocating screw rod 45 to rotate, and at the moment, the inserted rod on the driving plate 410 is inserted into the reciprocating screw rod 45 to keep the reciprocating screw rod 45 stable, so that the pressure of the extrusion wheel 43 for extruding the welding steel frame is unchanged, the pressure of the extrusion welding steel frame can be controlled, the welding steel frame is detected through constant pressure, and the pressure detection mechanism A3 is matched with the pressure which is changed and the pressure is applied to different sides of the welding steel frame, so that the flexibility of pressure detection can be improved; and then improve the quality of steel truss 1, avoid steel truss 1 welding quality disqualification can have the potential safety hazard in the in-process of using.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The safety monitoring device of the steel truss reinforcing structure is characterized by comprising a bending detection mechanism (2), wherein a pressure detection mechanism A (3) is arranged on the bending detection mechanism (2), and a pressure detection mechanism B (4) is arranged on the bending detection mechanism (2);
the bending detection mechanism (2) comprises an installation clamping seat A (21) and an installation clamping seat B (23), wherein an electric sliding rail (22) is arranged on the installation clamping seat A (21), an electric sliding seat (25) is arranged on the electric sliding rail (22), a light-transmitting plate (24) is arranged on the electric sliding seat (25), and a laser range finder (26) is arranged on the installation clamping seat A (21);
the pressure detection mechanism A (3) comprises a fixed box (31) arranged on the electric sliding seat (25), a piston rod (32) and a vent pipe (39) are arranged on the fixed box (31), an extrusion block (36) is arranged at one end of the vent pipe (39), and the extrusion block (36) is movably connected with the light-transmitting plate (24);
the pressure detection mechanism B (4) comprises a positioning seat (49) arranged on the electric sliding rail (22), a toothed plate (41) is arranged on the positioning seat (49), the pressure detection mechanism B (4) further comprises a moving box (42) arranged on the electric sliding seat (25), a rotating shaft (44) is arranged on the moving box (42), a squeezing wheel (43) is arranged on the rotating shaft (44), a reciprocating screw rod (45) is arranged on one side of the rotating shaft (44), and one end of the reciprocating screw rod (45) is connected with the toothed plate (41);
the light-transmitting plate (24) slides along a welding steel frame on the steel truss (1) through the welding positions of the mounting clamp seat A (21) and the mounting clamp seat B (23), and in the process, laser emitted by the laser range finder (26) passes through the light-transmitting plate (24) and irradiates on the mounting clamp seat B (23); detecting welding angles and positions by means of whether laser can penetrate through the light-transmitting plate (24) to irradiate the mounting clamp seat B (23), extruding one end of the piston rod (32) with the steel truss (1) in the sliding process of the light-transmitting plate (24), enabling the piston rod (32) to slide into the fixed box (31), enabling the air permeability pipe (39) to extrude the extrusion pressing block (36) to move, and enabling the extrusion pressing block (36) to extrude a welding steel frame on the steel truss (1) to carry out extrusion detection of different pressures; in addition, in the sliding process of the light-transmitting plate (24), the gear tooth plate (41) drives the rotating shaft (44) to move, the rotating shaft (44) drives the extrusion wheel (43) to extrude the welding steel frame, and the welding steel frame is subjected to settable constant pressure detection different from the pressure detection mechanism A (3).
2. The safety monitoring device for the steel truss reinforcing structure according to claim 1, wherein the pointer A (27) is installed on each of the installation clamp seat A (21) and the installation clamp seat B (23), and the pointer A is installed on each of the installation clamp seat A (21) and the installation clamp seat B (23).
3. Safety monitoring device for steel truss reinforcement structure according to claim 1, characterized in that the electric slide (25) is provided with a slide bar (28), and the light-transmitting plate (24) is mounted on the slide bar (28).
4. The safety monitoring device of the steel truss reinforcing structure according to claim 1, wherein the fixing box (31) is fixedly installed on the electric sliding seat (25), one end of the installation clamp seat B (23) slides in the fixing box (31), the other end of the piston rod (32) is provided with the extrusion seat (33), and the extrusion seat (33) is provided with the extrusion wheel (34).
5. The safety monitoring device of the steel truss reinforcing structure according to claim 1, wherein the pressure detection mechanism A (3) further comprises a sliding seat (37) which is slidably mounted on the light-transmitting plate (24), the extrusion block (36) is fixedly mounted on the sliding seat (37), a sealing sheet (38) is slidably mounted on the sliding seat (37), the sealing sheet (38) is movably connected with the vent pipe (39), and one end of the vent pipe (39) is connected with the sliding seat (37).
6. The safety monitoring device of the steel truss reinforcing structure according to claim 5, wherein the ventilation pipe (39) is connected with the fixed box (31) in a penetrating manner, the pressure detection mechanism B (4) further comprises a squeeze plate (35) arranged on the electric slide rail (22), and the squeeze plate (35) is movably connected with the sealing piece (38).
7. The safety monitoring device of the steel truss reinforcing structure according to claim 1, wherein the movable box (42) is installed on the electric sliding seat (25), and a sliding groove for sliding the squeezing wheel (43) and the rotating shaft (44) is formed in the electric sliding seat (25).
8. The safety monitoring device for the steel truss reinforcing structure according to claim 1, wherein a movable shaft (411) is installed at one end of the rotating shaft (44), the extrusion wheel (43) rotates on the movable shaft (411), a telescopic spring (48) is installed on the rotating shaft (44), and one end of the telescopic spring (48) is in extrusion connection with the movable shaft (411).
9. The safety monitoring device of the steel truss reinforcing structure according to claim 8, wherein an extrusion sheet (47) is slidably mounted on the rotating shaft (44), one side of the extrusion sheet (47) is fixedly connected with a telescopic spring (48), a bearing seat (46) is sleeved on the outer side of the reciprocating screw rod (45), the bearing seat (46) is connected with the reciprocating screw rod (45) through a ball nut pair, and the bearing seat (46) is connected with the extrusion sheet (47).
10. The safety monitoring device of the steel truss reinforcing structure according to claim 1, wherein a gear is installed at one end of the reciprocating screw rod (45), the gear is meshed with gear teeth on the gear tooth plate (41), a driving plate (410) is slidably installed on the gear tooth plate (41), the positioning seat (49) is in penetrating connection with the gear tooth plate (41), and a plug rod is installed on the driving plate (410) and is plugged with the reciprocating screw rod (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310671113.3A CN116429773B (en) | 2023-06-08 | 2023-06-08 | Safety monitoring device of steel truss reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310671113.3A CN116429773B (en) | 2023-06-08 | 2023-06-08 | Safety monitoring device of steel truss reinforcing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116429773A true CN116429773A (en) | 2023-07-14 |
| CN116429773B CN116429773B (en) | 2023-08-11 |
Family
ID=87085807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310671113.3A Active CN116429773B (en) | 2023-06-08 | 2023-06-08 | Safety monitoring device of steel truss reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116429773B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5212654A (en) * | 1987-04-22 | 1993-05-18 | Deuar Krzysztof J | Testing of poles |
| CN206906160U (en) * | 2017-06-12 | 2018-01-19 | 重庆大学 | A kind of experimental rig for measuring light steel quarter bend truss beam connection shear behavior |
| CN111947913A (en) * | 2020-09-18 | 2020-11-17 | 范满香 | Steel truss constructional engineering quality detection method |
| CN112014092A (en) * | 2020-09-02 | 2020-12-01 | 吴露露 | Method for detecting firmness of steel structure truss after butt joint |
| WO2022062098A1 (en) * | 2020-09-27 | 2022-03-31 | 厦门理工学院 | Focusing device of laser cleaning machine |
| CN114439249A (en) * | 2022-04-07 | 2022-05-06 | 中铁建工集团有限公司 | Construction method for lifting large-span triangular truss through air swivel |
| RU2784318C1 (en) * | 2022-02-11 | 2022-11-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Вологодский государственный университет" | Method for non-destructive determination and monitoring of the bearing capacity of steel trusses |
| CN115781078A (en) * | 2022-11-09 | 2023-03-14 | 广西天正钢结构有限公司 | High-strength long-distance steel structure welding method |
-
2023
- 2023-06-08 CN CN202310671113.3A patent/CN116429773B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5212654A (en) * | 1987-04-22 | 1993-05-18 | Deuar Krzysztof J | Testing of poles |
| CN206906160U (en) * | 2017-06-12 | 2018-01-19 | 重庆大学 | A kind of experimental rig for measuring light steel quarter bend truss beam connection shear behavior |
| CN112014092A (en) * | 2020-09-02 | 2020-12-01 | 吴露露 | Method for detecting firmness of steel structure truss after butt joint |
| CN111947913A (en) * | 2020-09-18 | 2020-11-17 | 范满香 | Steel truss constructional engineering quality detection method |
| WO2022062098A1 (en) * | 2020-09-27 | 2022-03-31 | 厦门理工学院 | Focusing device of laser cleaning machine |
| RU2784318C1 (en) * | 2022-02-11 | 2022-11-23 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Вологодский государственный университет" | Method for non-destructive determination and monitoring of the bearing capacity of steel trusses |
| CN114439249A (en) * | 2022-04-07 | 2022-05-06 | 中铁建工集团有限公司 | Construction method for lifting large-span triangular truss through air swivel |
| CN115781078A (en) * | 2022-11-09 | 2023-03-14 | 广西天正钢结构有限公司 | High-strength long-distance steel structure welding method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116429773B (en) | 2023-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113029057B (en) | Detection system and detection method for surface quality of stainless steel pipe | |
| CN116429773B (en) | Safety monitoring device of steel truss reinforcing structure | |
| CN115494159A (en) | Method and device for detecting steel structure for building engineering | |
| CN117685859A (en) | Long roller hoop coaxiality detection device and detection method | |
| CN117969273A (en) | Performance test device and method based on automobile corrugated pipe | |
| CN110631916B (en) | Cold rolling ribbed steel bar detection device | |
| CN115014255B (en) | Detection device for bridge expansion joint | |
| CN110726621A (en) | Building new material quality detection equipment | |
| CN214844705U (en) | Device for detecting quality of flexible material | |
| CN209891183U (en) | Sampling device for highway subgrade soil detection | |
| CN112284312A (en) | Pipe fitting length measuring device | |
| CN114769784A (en) | Automatic welding lifting system and lifting method | |
| CN208239022U (en) | A kind of machine vehicle component detection device | |
| CN216484280U (en) | Sclerometer that product detection used | |
| CN220819695U (en) | Impact strength test device | |
| CN220007963U (en) | Cutting equipment is used in glass steel pipe processing | |
| CN214348022U (en) | Workpiece screening device based on control science | |
| CN214150237U (en) | Compression testing machine moving beam with locking function | |
| CN220050269U (en) | Bluetooth measurement numerical control feeding 90-degree cutting sawing machine with zero tailing | |
| CN220912820U (en) | Intensity detector of concrete | |
| CN213544281U (en) | Concrete detection device is used in highway engineering construction | |
| CN221199287U (en) | Compression-resistant detection device for detecting different positions | |
| CN217703315U (en) | Supporting table for automobile part checking fixture | |
| CN220170886U (en) | Glass cleanliness detection device | |
| CN210982346U (en) | Ultrasonic flaw detector for metal detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |